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Tuesday, March 29, 2011

The Next Bike

The Specification Racing Bike from United .


Inertia - Racing Bike


Frame           : Racing 700 x 23C Alloy 490mm
Fork              : Racing 700 x 23C Buttet Stem Steel
BB/Parts        : Shimano, BB - ES25
C/Wheel        : Shimano, FC - R450
Chain            : Shimano, CN - HG53
Brake F/R      : Shimano, BR - 3400 F/R, Alloy Caliper Brake
F/R Derailleur : Shimano, FD-3400, RD-3400SS
SFT L VR F/R  : Shimano, Shimano, ST-3400, Alloy Shifter 18 Speeds
Wheel Set  : Shimano, Shimano, WH-RS10, Alloy Rim 622 x 15c (700C), QR
Free Wheel     : Shimano, Shimano, CS-HG50-9W

Sunday, March 27, 2011

The Types of Bike


Bicycles are the most efficient means of transportation, not polluting and healthy body healthy. Bicycles are legion, here I will try to explain a little about the bike is often used by people in everyday life.


These types of bicycles :


When the colonial past, Indonesia's famous bicycle and the most popular is 'Onthel'. But moving forward with the times, the bicycle displaced existence. But it does not go away, even more sought search by many people. This antique bike has distinctive features and high price value, the more demand. In big cities like Jakarta, Bandung, Yogyakarta and other cities have bicycle community.

Onthel Bicycle has two different forms, onthel for men and for women. The difference is only of the frame only.

It's about Onthel cycle :


Many types and brands of onthel cycle, certainly very old age and some have more than half a century. To preserve a lot of ways, with maintaining and replacing spare parts are not good condition. In the capital, precisely in the old town jakarta rented bicycle by bicycle taxi to the visitors and the surrounding region. There are some attractions that can be visited only by renting a bike is, just pay Rp. 15,000 has been able to enjoy it.



Mountain Bike


These bikes are used for such rugged terrain and rocky dirt road. First introduced in 1970 by the wearer bike in the hills of San Francisco.


Bike type is divided into two categories :

  • Down Hill (DH)
  • Cross Country (XC)


For the type of downhill, it is suitable for extreme terrain and bike type has been the dual suspension front and center on this bike frame. This aerodynamics technology is needed to reduce collisions.



                                          1.0 Bike Downhill

While the type of Cross Country, for the field is not too extreme. Usually only have front suspension only.

                                         2.0 Bike Cross Country


Since then the world know this bike. Characteristic trait is a lightweight, form the framework made ​​of steel, aluminum and the latest use of carbon fiber composite materials (Carbon Fiber Reinforced Plastic) and using the shock absorber shock absorbers. Used tires is one that has the ability to grip the ground firmly.
Mountain bikes have 18-27 moving gear that allows you to adjust the speed and convenience of the pedal. Mountain bike with 27 gears means having front crankset with 3 discs and cassette sprocket with 9 discs. So 3 x 9 = 27 different speed levels.

Bicycle History


The ancestors of the bike is expected to come from France. According to newspaper history, the country has been since the beginning of the 18th century known two-wheeled transportation called Velocipede. Over the years, Velocipede is the only term that refers to the results of two-wheel vehicle design. Its construction was not familiar with wood and iron are of the model is still primitive.

Was a German named Baron von Drais Karls Sauerbronn notable as one falsifies Velocipede. In 1818, von Sauerbronn making two-wheeled transport to support the work efficiency.

As the chief forester Baden, he does need high mobility transport. However, the model still seems ambiguous, between bicycles and horse carriages. So that people dub the Baron's creation as a dandy horse.





Then in 1839, Kirkpatrick Macmillan, a blacksmith born in Scotland, made ​​"machine" specifically for the bike. Certainly not a machine like those of motorcycles, but more like driving a crank is turned, passing up and down movement of the foot pedal. MacMillan had been "brave" was the crank connecting rod steering (handlebars simple).





While noting efforts to improve the encyclopedia Britannica.com French inventor Ernest Michaux in 1855, by making ballast crank up the pace bike more stable. The more perfect after the Frenchman, Pierre Lallement (1865) reinforce wheels by adding an iron circle around it (now known as the rim or wheel). Lallement also introduced a bike with the front wheel larger than the rear wheels.





But the most significant advances occurred during steelmaking technologies cavities are found, following a good growing iron grafting techniques, as well as the discovery of tire rubber as a raw material. However, the factor of safety and comfort remain unsolved. Because the technology suspension (per and so on) has not been found, wobble and shake frequently make their riders back pain. Half-kidding, dubbed the bike as boneshaker Lallement (bone shakers).



So do not be surprised if in the era of the 1880's, three-wheel bikes that are considered safer for women and men whose legs were too short for the conventional pedaling became so popular. Trend two-wheel bike again after the establishment of a worldwide first bicycle factory in Coventry, England in 1885. The factory set up was James Starley increasingly find momentum after 1888, John Dunlop discovered tire technology wind. The pace of the bike was no longer shaking.

Saturday, March 19, 2011

Tips a Choosing Bike


First we must think about what the bike that suits your needs and desires, as many models and types are available. There are 2 classes included herein, the MTB and Road Bike.

Mountain Bike (MTB)

a. Competitive XC

   These bikes are usually quite mild for this type of MTB, a lightweight bike for cross country (offroad). Competitive XC commonly used for off-road terrain that is not too down, very suitable for who like speed and strength to crawl offroads field.

b. XC Trail

  More types of bikes made ​​for a fairly extreme offroad terrain, apparently derived a rather sharp with a lot of corners, front and rear suspension are usually more tender than the Competitive XC, front and rear suspension are usually also can be set hard and soft scales.

c. Freeride/ Downhill

  It's a bike that we see in the world championship downhill, the bike is very heavy for this type of MTB. This bike frame is very heavy because of the extreme downhill requires high stability. This type of suspension bikes have front Trafel (long suspension) longer compared to other MTB bikes, and certainly the rear suspension is mandatory on this type of bike.

Road Bike

a. Competitive Road

  Bicycle racing is a competition in the allocation for racing, with a very light weight total weight of the bike can reach 5kg, For those who love cycling healthy asphalt pavement is one option.

b. Endurance Road

 Racing bicycle with a frame that is more resistant to such road is not smooth paving blocks, a bike with this type suitable for the type of road like that is not only smooth but asphalt roads is bad. In addition to the speed of light suitable for fans, this kind of decent bike make the choice to ride on the road non-asphalt.

c. Time Trial

  IIndeed this is a racing bike, very lightweight with aero dynamic designed carefully to the wind. Bicycle racing is much in use for Time Trial competitions / Thriatlon a demanding pace.


For fields in Indonesia, the most suitable bike in my opinion is the Endurance Road to class and XC Trail Road Bikenya MTBnya to class. But it all depends on your choice.

So please specify your choice, which are suitable and fit your taste.

Monday, March 14, 2011

Sekilas Mengenai Sepeda

Ini merupakan alat transportasi yang sudah ada sejak zaman dahulu kala. Semakin berkembangnya zaman maka bertambah pula kemajuan dalam sepeda. Selain digunakan sebagai alat bantu olahraga, sepeda juga hobi yang harus dicoba oleh siapapun. Karena sangat mudah membawanya bila sudah terlatih namun awalnya saat belajar terjatuh berkali kali. Tapi disitulah pengalaman yang takkan terlupakan.

Sekarang ini sepeda sudah menjamur dikalangan masyarakat seluruh dunia hanya untuk satu hal yaitu menyelamatkan bumi kita dari bahaya global warming dengan mengurangi polusi dan menambah lahan terbuka hijau. Banyak juga promotor atau instansi yang mengadakan acara sepeda sehat.

Saat ini sudah banyak komunitas pecinta sepeda di Indonesia, bermacam macam model dan bentuk sepeda ada semua disini.


Mari kita selamatkan bumi ini dari bahaya global warming dengan bersepeda setiap hari!